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Fixed variable not declared before use.
The variable `max` was not declared before use in demonstrating how for loops work over ranges. It has been added on line 155 and set to a value of 5
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@ -152,7 +152,7 @@ while (condition) {
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}
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my $max = 5;
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# for loops and iteration
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# for loops and iteration
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for my $i (0 .. $max) {
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for my $i (0 .. $max) {
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print "index is $i";
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print "index is $i";
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